FSLR · Nasdaq

First Solar

Semiconductors · Tempe, Arizona · founded 1999

Board members
10
CEO
Mark R. Widmar
Insider buys, 12 mo
$0
Insider sales, 12 mo
$30.5M

Board of directors (10)

Directors with a Section 16 filing in the last 13 months. “Since” is the first filing as a director; SEC data sets start in 2016.

Mark R. Widmar
Chief Executive Officersince Aug 2016+1 S&P board
Michael J. Ahearn
Directorsince 2016 or earlier
William J. Post
Directorsince 2016 or earlier
Paul H. Stebbins
Directorsince 2016 or earlier
Michael T. Sweeney
Directorsince 2016 or earlier
Anita M. George
Directorsince Jul 2021
Lisa A. Kro
Directorsince Jun 2022
Norman L. Wright
Directorsince Jun 2022
Venkata S. M. Renduchintala
Directorsince May 2024+1 S&P board
Curtis A. Morgan
Directorsince May 2026

Executive officers (11)

Mark R. Widmar
Chief Executive Officersince 2016 or earlier
Alexander R. Bradley
Chief Financial Officersince Jul 2016
Georges Antoun
Chief Commercial Officersince 2016 or earlier
Caroline Stockdale
Chief People and Comm. Officersince Oct 2019
Jason E. Dymbort
General Counsel and Secretarysince Apr 2020
Patrick James Buehler
Chief Product Officersince Aug 2020
Markus Gloeckler
Chief Technology Officersince Aug 2020
Kuntal Kumar Verma
Chief Manufacturing Officersince Aug 2020
Michael Koralewski
Chief Supply Chain Officersince Aug 2020
Nathan B. Theurer
VP - Global Controller and CAOsince Jan 2025
Samantha L. Sloan
EVP, Corporate Affairssince Apr 2025

Company facts

Chair
—
In S&P 500 since
Dec 2022
Incorporated in
DE
Fiscal year ends
December
SEC industry
Semiconductors & Related Devices
SEC filings
EDGAR

Connections to other S&P 500 companies

Current directors and officers who also hold a role at another S&P 500 company.

Major holders (5% or more)

Latest Schedule 13D/13G filing per holder. Holders that reported falling below 5% are not shown. Index funds usually report once a year.

No 5% holder filings parsed yet for this company.

Insider trades

Open-market purchases and sales reported on Form 4. Grants, option exercises and tax withholding are excluded.

Buys, 12 mo
$0
0 trades · 0 insiders
Sales, 12 mo
$30.5M
147 trades · 11 insiders
Net, 12 mo
-$30.5M
Data through
Oct 1, 2026
latest trade shown
DateInsiderTypeSharesPriceValue
Oct 1, 2026Markus Gloeckler
Chief Technology Officer
Sale800$174.00$139K
Sep 1, 2026Markus Gloeckler
Chief Technology Officer
Sale800$200.00$160K
Aug 17, 2026Samantha L. Sloan
EVP, Corporate Affairs
Sale127$222.95$28K
Aug 11, 2026Jason E. Dymbort
General Counsel and Secretary
Sale3,700$249.38$923K
Aug 4, 2026Markus Gloeckler
Chief Technology Officer
Sale829$248.00$206K
Aug 3, 2026Markus Gloeckler
Chief Technology Officer
Sale800$222.00$178K
Aug 3, 2026Markus Gloeckler
Chief Technology Officer
Sale2,625$218.02$572K
Aug 3, 2026Michael Koralewski
Chief Supply Chain Officer
Sale3,500$218.02$763K
Aug 3, 2026Michael Koralewski
Chief Supply Chain Officer
Sale3,500$225.00$788K
Jun 2, 2026Patrick James Buehler
Chief Product Officer
Sale3,000$302.00$906K
May 28, 2026Caroline Stockdale
Chief People and Comm. Officer
Sale10,628$275.60$2.9M
May 26, 2026Mark R. Widmar
Chief Executive Officer
Sale364$265.15$97K
May 26, 2026Mark R. Widmar
Chief Executive Officer
Sale632$270.05$171K
May 26, 2026Mark R. Widmar
Chief Executive Officer
Sale726$271.23$197K
May 26, 2026Mark R. Widmar
Chief Executive Officer
Sale473$273.17$129K
May 26, 2026Mark R. Widmar
Chief Executive Officer
Sale126$276.29$35K
May 26, 2026Mark R. Widmar
Chief Executive Officer
Sale628$267.72$168K
May 26, 2026Mark R. Widmar
Chief Executive Officer
Sale1,009$268.89$271K
May 26, 2026Mark R. Widmar
Chief Executive Officer
Sale1,237$266.60$330K
May 22, 2026Mark R. Widmar
Chief Executive Officer
Sale239$250.02$60K
May 22, 2026Mark R. Widmar
Chief Executive Officer
Sale172$251.53$43K
May 22, 2026Mark R. Widmar
Chief Executive Officer
Sale97$252.87$25K
May 22, 2026Mark R. Widmar
Chief Executive Officer
Sale218$253.63$55K
May 22, 2026Mark R. Widmar
Chief Executive Officer
Sale916$254.93$234K
May 22, 2026Mark R. Widmar
Chief Executive Officer
Sale64$255.59$16K

Board and executive changes

Every 8-K with Item 5.02 (departure, election or appointment of directors and officers). The text is the first paragraph of the item.

  1. Mar 14, 2025

    On March 12, 2025, Molly E. Joseph notified First Solar, Inc. (the “Company”) that she will not stand for re-election as a member of the Company’s Board of Directors (the “Board”) at the Company’s 2025 Annual Meeting of Stockholders (the “2025 Annual Meeting”). Ms. Joseph intends to continue to serve as a member of the Board and on each of the Committees on which she currently serves until the date of the 2025 Annual Meeting. Ms. Joseph’s decision to not stand for re-election was not the result of any disagreement with the Company or its management. The Board and management are grateful for Ms. Joseph’s dedicated service to the Company since 2017 and wish her well. 2

    Read the 8-K filing
  2. Jan 10, 2025

    On January 3, 2025, First Solar, Inc. (“First Solar” or the “Company”) appointed Nathan Theurer, age 44, to the position of Vice President, Global Controller and Chief Accounting Officer, effective January 6, 2025, reporting to the Chief Financial Officer. Also effective January 6, 2025, Byron Jeffers, former Vice President, Global Controller and Chief Accounting Officer, has been appointed Vice President, Treasurer and Head of Investor Relations at First Solar. Mr. Theurer joined First Solar in August 2014, serving in several senior accounting roles before being appointed as its Corporate Controller in November 2019. Prior to joining First Solar, Mr. Theurer served for three years as a Senior Manager of External Reporting and Technical Accounting at Amkor Technology, Inc. Mr.

    Read the 8-K filing
  3. Feb 16, 2024

    On February 13, 2024, Richard D. Chapman, George A. (“Chip”) Hambro, and Craig Kennedy each notified First Solar, Inc. (the “Company”) that they will retire as a member of the Company’s Board of Directors (the “Board”) and not stand for re-election at the Company’s 2024 Annual Meeting of Stockholders (the “2024 Annual Meeting”). Each such director intends to continue to serve as a member of the Board and on each of the Committees on which they currently serve until the date of the 2024 Annual Meeting. Each director’s decision to not stand for re-election was not the result of any disagreement with the Company or its management. The Board and management are grateful for Mr. Chapman’s, Mr. Hambro’s, and Mr. Kennedy’s many years of dedicated service to the Company and wish them well. 2

    Read the 8-K filing
  4. Apr 1, 2022

    On March 29, 2022, Kathryn A. (“Katy”) Hollister notified First Solar, Inc. (the “Company”) that she will not stand for re-election as a member of the Company’s Board of Directors (the “Board”) at the Company’s 2022 Annual Meeting of Stockholders (the “2022 Annual Meeting”). Ms. Hollister serves as a member of the Board’s Audit Committee and its Compensation Committee. Ms. Hollister intends to continue to serve as a member of the Board and each of the Audit Committee and Compensation Committee until the date of the 2022 Annual Meeting. Ms. Hollister’s decision to not stand for re-election was not the result of any disagreement with the Company or its management. The Board and management are grateful for Ms. Hollister’s service to the Company and wish her well. 2

    Read the 8-K filing
  5. Feb 18, 2022

    On February 16, 2022, Sharon L. Allen notified First Solar, Inc. (the “Company”) that she will not stand for re-election as a member of the Company’s Board of Directors (the “Board”) at the Company’s 2022 Annual Meeting of Stockholders (the “2022 Annual Meeting”). Ms. Allen serves as the chair of the Board’s Audit Committee and as a member of its Technology Committee. Ms. Allen intends to continue to serve as a member of the Board and each of the Audit Committee and Technology Committee until the date of the 2022 Annual Meeting. Ms. Allen’s decision to not stand for re-election was not the result of any disagreement with the Company or its management. The Board and management are grateful for Ms. Allen’s service to the Company since 2013 and wish her well. 2

    Read the 8-K filing
  6. Jul 20, 2021

    On July 15, 2021, the Board of Directors (the “Board”) of First Solar, Inc. (the “Company” or “First Solar”) increased the size of the Board to 12 directors and appointed Anita Marangoly George to the Board to fill the newly created directorship, effective July 15, 2021. Ms. George will serve on the Board’s nominating and governance and technology committees. Ms. George has held various positions at la Caisse de Dépôt et Placement du Québec (“CDPQ”), a global investment group managing funds for public retirement and insurance plans. Ms. George serves as a Strategic Advisor to CDPQ and previously served from 2017 to 2020 as Executive Vice President and Head of Emerging Markets and Strategic Partnerships, and from 2020 until June 2021 as Executive Vice President, Deputy Head of CDPQ Global. Prior to joining CDPQ in 2016 as Managing Director, South Asia, Ms.

    Read the 8-K filing
  7. Mar 19, 2021

    On March 18, 2021, the Board of Directors (the “Board”) of First Solar, Inc. (the “Company” or “First Solar”) increased the size of the Board to 11 directors and appointed Kathryn A. (“Katy”) Hollister to the Board to fill the newly created directorship, effective March 19, 2021. Ms. Hollister will sit on the Board’s audit and compensation committees. Ms. Hollister most recently served as the Chief Strategy Officer for Deloitte Tax LLP and the Managing Partner of Deloitte Tax LLP’s Business Tax Service line. In this role, Ms. Hollister led the integration of Deloitte Tax LLP’s global practices and its more than 45,000 professionals. In her 36 years at Deloitte Tax LLP, she advised numerous public and private companies, with a principle focus on the manufacturing and consumer products sectors. Ms.

    Read the 8-K filing
  8. Nov 9, 2020

    On November 5, 2020, Raffi Garabedian, Co-Chief Technology Officer of First Solar, Inc. (the “Company”), notified the Company of his decision to step down from his position as Co-Chief Technology Officer, effective as of November 5, 2020, and to retire from the Company, effective as of March 31, 2021. Prior to the effective date of his retirement, Mr. Garabedian will remain with the Company as an employee. Also effective as of November 5, 2020, Markus Gloeckler, Co-Chief Technology Officer, has become the Company’s sole Chief Technology Officer. Mr. Gloeckler currently reports to the Chief Executive Officer. Mr. Gloeckler, age 47, joined the Company in 2005.

    Read the 8-K filing
  9. Jul 29, 2020

    On July 23, 2020, Philip Tymen deJong, Chief Operating Officer of First Solar, Inc. (the “Company”), notified the Company of his decision to retire, effective as of April 2021. Prior to the effective date of his retirement, Mr. deJong will continue to serve as Chief Operating Officer, overseeing certain priority projects for the Company, and will transition his remaining responsibilities to Michael Koralewski, Chief Manufacturing Operations Officer; Kuntal Kumar Verma, Chief Manufacturing Engineering Officer; and Patrick Buehler, Chief Quality and Reliability Officer. Each of Messrs. Koralewski, Verma, and Buehler will report to the Chief Executive Officer, effective August 10, 2020. Mr.

    Read the 8-K filing
  10. Nov 19, 2019

    Effective November 18, 2019, Byron Jeffers, age 36, has been appointed Global Controller, Chief Accounting Officer of First Solar, Inc. (“First Solar” or the “Company”), reporting to the Chief Financial Officer. As previously reported on First Solar’s Current Report on Form 8-K filed on April 25, 2019, Mr. Jeffers has been serving as Chief Accounting Officer on an interim basis since May 10, 2019. Mr. Jeffers joined First Solar in August 2012, serving in several senior accounting roles before being appointed as its Senior Director of Financial Planning and Analysis in June 2017. Prior to joining First Solar, Mr. Jeffers served for seven years as an Assurance Manager at PricewaterhouseCoopers LLP with public accounting experience working with numerous companies across various industries including technology, manufacturing, and retail. Mr.

    Read the 8-K filing
  11. Apr 25, 2019

    As previously reported on a Current Report on Form 8-K filed on March 21, 2019 with the Securities and Exchange Commission, on March 18, 2019, Bryan Schumaker, Chief Accounting Officer of First Solar, Inc. (“First Solar”), provided notice of his decision to depart First Solar to accept a position with another company, effective May 10, 2019. On April 23, 2019, First Solar appointed Byron Jeffers as its Chief Accounting Officer on an interim basis, effective May 10, 2019. Mr. Jeffers, age 35, joined First Solar in August 2012, serving in several senior accounting roles before being appointed as its Senior Director of Financial Planning and Analysis in June 2017. Prior to joining First Solar, Mr.

    Read the 8-K filing
  12. Mar 21, 2019

    On March 18, 2019, Bryan Schumaker, Chief Accounting Officer of First Solar, Inc. (“First Solar”), provided notice of his decision to depart First Solar to accept a position with another company. Mr. Schumaker’s departure from First Solar is effective on May 10, 2019.

    Read the 8-K filing
  13. Jun 9, 2017

    On June 5, 2017, the Board of Directors of First Solar, Inc. (the “Company” or “First Solar”) appointed Molly E. Joseph to the Board of Directors effective immediately. Ms. Joseph will sit on the Board’s Audit and Project Development Committees. Ms. Joseph is Chief Executive Officer of UnitedHealthcare Global and Executive Vice President, Global, UnitedHealth Group. She assumed these roles in May of 2014 and March of 2017, respectively, and leads overall strategic direction and operational management of business outside the United States. She serves on UnitedHealthcare’s Executive Council and UnitedHealth Group’s Executive Leadership Team. From 2009 to 2014, Ms.

    Read the 8-K filing
  14. Oct 14, 2016

    Election of Directors; Appointment of Certain Officers; Compensation Arrangements of Certain Officers Effective October 24, 2016, Alexander R. Bradley, age 35, has been appointed Chief Financial Officer of First Solar, Inc. (“First Solar” or the “Company”), reporting to the Chief Executive Officer. As previously reported on First Solar’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on April 28, 2016, Mr. Bradley has been serving as Chief Financial Officer on an interim basis since July 1, 2016. Mr. Bradley previously served as Vice President, Treasury and Project Finance for First Solar and was responsible for global debt, equity, and tax equity financings, project structuring and project sales, as well as global treasury. Mr.

    Read the 8-K filing
  15. Sep 2, 2016

    Election of Directors; Appointment of Certain Officers; Compensation Arrangements of Certain Officers First Solar, Inc. (the “Company”) and James A. Hughes have mutually agreed that Mr. Hughes will no longer serve in an advisory capacity to the Company and will step down from the Board of Directors of the Company, effective September 1, 2016. Mr. Hughes will receive certain compensation and benefits in connection with the termination of his employment in accordance with the terms of his employment agreement. Mr. Hughes entered into a non-competition and non-solicitation agreement and a confidentiality and intellectual property agreement upon his employment, both of which shall continue to apply in accordance with their terms. On September 2, 2016, the Company issued a press release regarding the foregoing, which is included as Exhibit 99.1 to this Form 8-K.

    Read the 8-K filing
Show 1 older changes
  1. May 9, 2016

    Election of Directors; Appointment of Certain Officers; Compensation Arrangements of Certain Officers Effective July 1, 2016, Georges J. Antoun, age 53, has been appointed Chief Commercial Officer of First Solar, Inc. (“First Solar”), reporting to the Chief Executive Officer. In this role, Mr. Antoun will have comprehensive leadership responsibility for global project and business development. Prior to this appointment, Mr. Antoun served as President, U.S. since July 2015, and as Chief Operating Officer from July 2012 through June 2015. Mr. Antoun has over 20 years of operational and technical experience, including leadership positions at several global technology companies. Prior to joining First Solar in July 2012, Mr. Antoun served as Venture Partner at Technology Crossover Ventures (“TCV”), a private equity and venture firm that he joined in July 2011. Prior to joining TCV, Mr.

    Read the 8-K filing

Proxy statements (DEF 14A): 2026 · 2025 · 2024 · 2023 · 2022 · 2021

Share price

$201.14+207% since 2016 board/officer change filed
41.3616729220172019202120232025

Annual financials

From the company's 10-K XBRL data (SEC companyfacts).

Fiscal yearRevenueNet incomeMarginDiluted EPSTotal assets
FY2025$5.2B$1.5B29.3%$14.21$13.3B
FY2024$4.2B$1.3B30.7%$12.02$12.1B
FY2023$3.3B$830.8M25.0%$7.74$10.4B
FY2022$2.6B-$44.2M-1.7%$-0.41$8.3B
FY2021$2.9B$468.7M16.0%$4.38$7.4B
FY2020$2.7B$398.4M14.7%$3.73$7.1B
FY2019$3.1B-$114.9M-3.8%$-1.09$7.5B
FY2018$2.2B$144.3M6.4%$1.36$7.1B

Former directors and officers (18)

People who stopped filing as an insider of this company. “Last filing” is the last Form 3/4/5, an upper bound on when they left.

Show the list
Molly Joseph
DirectorJun 2017 – Jul 2025
Byron Michael Jeffers
VP - Global Controller and CAOMay 2019 – Aug 2024
R. Craig Kennedy
Director2016 or earlier – Jul 2024
George A. Hambro
Director2016 or earlier – Jul 2024
Richard D. Chapman
Director2016 or earlier – Jul 2024
Sharon L. Allen
Director2016 or earlier – Jul 2022
Kathryn A. Hollister
DirectorMar 2021 – Jul 2022
Philip Dejong
Chief Operating Officer2016 or earlier – Mar 2021
Raffi Garabedian
Chief Technology Officer2016 or earlier – Mar 2021
Lukas T. Walton
10% ownerOct 2016 – Nov 2020
Paul J. Kaleta
EVP, Genl Counsel & Secretary2016 or earlier – Apr 2020
Christopher Bueter
EVP, Human Resources2016 or earlier – Jun 2019
Bryan Robert Schumaker
Chief Accounting Officer2016 or earlier – Mar 2019
James F. Nolan
Director2016 or earlier – Apr 2018
J. Thomas Presby
Director2016 or earlier – Apr 2018
James Alton Hughes
Chief Executive Officer2016 or earlier – Sep 2016
Timothy Brian Rebhorn
EVP, Corp Dev & Strategic Mktg2016 or earlier – Jul 2016
Joseph Kishkill
President, International2016 or earlier – Jul 2016
First Solar (FSLR) board, executives and insiders | USBoard